US Patent 11235208 Golf club head

A golf club head having a hollow portion therein includes a face portion for striking a ball and defining a leading edge, a sole portion extending rearwardly of the club head from the face portion and having an inner surface thereof facing the hollow portion, a club head thickness being equal to or less than 39.0 mm. The sole portion is provided on the inner surface with a weight portion extending along the leading edge and a thin wall region between the leading edge and the weight portion. The thin wall region has a length L of from 14.0 to 23.0 mm in a head front-rear direction. The thin wall region has a ratio t/L of a maximum thickness t (mm) thereof to the length L (mm) is in a range of from 0.040 to 0.080.